Keep the grease in, and the Grime out. 

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Pin Seals are pressed into the bush housing to create a barrier and keep dust and grime out of your bushes.

 

The cup shape is designed to allow grease to be pumped into the bearing surface and escape through the seal once the cavity is full, but prevent foreign matter from entering the bearing surface. This keeps the grease clean and prolongs the life of your pins and bushes.  The Majority of our seals are KPU Pin wipers, but we also stock and supply custom made PU seals, made to order for Actibush. 

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If you are looking for a size not listed here, don't stress... Actibush can source pin seals of almost any size, usually overnight, or we can get them custom made within a few days.